1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI_ASM_POWERPC_SIGNAL_H 3#define _UAPI_ASM_POWERPC_SIGNAL_H 4 5#include <linux/types.h> 6 7#define _NSIG 64 8#ifdef __powerpc64__ 9#define _NSIG_BPW 64 10#else 11#define _NSIG_BPW 32 12#endif 13#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 14 15typedef unsigned long old_sigset_t; /* at least 32 bits */ 16 17typedef struct { 18 unsigned long sig[_NSIG_WORDS]; 19} sigset_t; 20 21#define SIGHUP 1 22#define SIGINT 2 23#define SIGQUIT 3 24#define SIGILL 4 25#define SIGTRAP 5 26#define SIGABRT 6 27#define SIGIOT 6 28#define SIGBUS 7 29#define SIGFPE 8 30#define SIGKILL 9 31#define SIGUSR1 10 32#define SIGSEGV 11 33#define SIGUSR2 12 34#define SIGPIPE 13 35#define SIGALRM 14 36#define SIGTERM 15 37#define SIGSTKFLT 16 38#define SIGCHLD 17 39#define SIGCONT 18 40#define SIGSTOP 19 41#define SIGTSTP 20 42#define SIGTTIN 21 43#define SIGTTOU 22 44#define SIGURG 23 45#define SIGXCPU 24 46#define SIGXFSZ 25 47#define SIGVTALRM 26 48#define SIGPROF 27 49#define SIGWINCH 28 50#define SIGIO 29 51#define SIGPOLL SIGIO 52/* 53#define SIGLOST 29 54*/ 55#define SIGPWR 30 56#define SIGSYS 31 57#define SIGUNUSED 31 58 59/* These should not be considered constants from userland. */ 60#define SIGRTMIN 32 61#define SIGRTMAX _NSIG 62 63#define SA_RESTORER 0x04000000U 64 65#define MINSIGSTKSZ 2048 66#define SIGSTKSZ 8192 67 68#include <asm-generic/signal-defs.h> 69 70#ifndef __KERNEL__ 71struct old_sigaction { 72 __sighandler_t sa_handler; 73 old_sigset_t sa_mask; 74 unsigned long sa_flags; 75 __sigrestore_t sa_restorer; 76}; 77 78struct sigaction { 79 __sighandler_t sa_handler; 80 unsigned long sa_flags; 81 __sigrestore_t sa_restorer; 82 sigset_t sa_mask; /* mask last for extensibility */ 83}; 84#endif 85 86typedef struct sigaltstack { 87 void __user *ss_sp; 88 int ss_flags; 89 size_t ss_size; 90} stack_t; 91 92 93#ifndef __powerpc64__ 94/* 95 * These are parameters to dbg_sigreturn syscall. They enable or 96 * disable certain debugging things that can be done from signal 97 * handlers. The dbg_sigreturn syscall *must* be called from a 98 * SA_SIGINFO signal so the ucontext can be passed to it. It takes an 99 * array of struct sig_dbg_op, which has the debug operations to 100 * perform before returning from the signal. 101 */ 102struct sig_dbg_op { 103 int dbg_type; 104 unsigned long dbg_value; 105}; 106 107/* Enable or disable single-stepping. The value sets the state. */ 108#define SIG_DBG_SINGLE_STEPPING 1 109 110/* Enable or disable branch tracing. The value sets the state. */ 111#define SIG_DBG_BRANCH_TRACING 2 112#endif /* ! __powerpc64__ */ 113 114#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */ 115